{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease"], "input": "An exception is BRCA1 , which contributes to a significant fraction of familial breast and ovarian cancer , but undergoes mutation at very low rates in sporadic breast and ovarian cancers ."}
{"Disease": ["familial breast and ovarian cancer", "sporadic breast and ovarian cancers"]}